Hellfire Wyverns are so named for their foul tempers and fiery visages. Their social structure places all females above all males, due to superior physical characteristics and violent dispositions. Forced subservience of the males causes them to become vicious, petty, antisocial, and passive-aggressive compared to the aggressive and social females. However, orphaned hatchlings raised by foster parents of another species can develop surprisingly even tempers and mellow dispositions, proving that their defining unpleasant nature is, in fact, a learned behavior.

Dragons are highly-intelligent reptilian creatures that—from a human perspective, at least—appear to live forever. Many different varieties of dragon exist, each with their own unique qualities, habitats, and behavior. Adolescence in dragons is usually marked by the growth of a hatchling’s wings, although not all breeds of dragons grow wings and some breeds have other traits that indicate the beginning of maturation. In Galsreim, dragons and humans coexist peacefully.

Redpelt is the first Hellfire Wyvern in the Uncita clan. Destructive and unmerciful, this wyvern is feared by many. His mother and father were wild dragons. They lead a pack of bloodthirsty Hellfires like them. The first four days after Redpelt hatched, a terrible war began brewing. His parents' pack had offended another pack of Hellfires. The upset other pack roared for revenge, and its members would be there tomorrow. Desperate, Redpelt's mother taught him about breathing fire and his father taught him fighting. As a good listener, Redpelt had an advantage to kill for the first time. He took it. But as the war took place, his father was kidnapped and the young hatchling had witnessed several males kill his mother. The scary moment changed his personality. He became extremely fierce when insulted, and went down to many villages and destroyed them. He seems to always be angry, and spits fire on everything he sees.